(0.4x+0.9)/0.5+1006(x-5)/2012=(0.03+0.02)/0.03
(4x+9)/5+(x-5)/2=(3+2)/3
6(4x+9)+15(x-5)=10*(3+2)
24x+54+15x-75=50
39x=71
x=71/39
(0.4x+0.9)/0.5+1006(x-5)/2012=(0.03+0.02)/0.03
(4x+9)/5+(x-5)/2=(3+2)/3
6(4x+9)+15(x-5)=10*(3+2)
24x+54+15x-75=50
39x=71
x=71/39